Premium Fireable Resin-Free Opal Cabochons
Resin-Free & Fireable — Kiln-Safe to 900°C
Opals that genuinely flash. Explore our premium lab-grown Galaxy Opal® — 100% resin-free and fireable up to 900°C, making them the ideal choice for metal clay, glass work, and traditional silversmithing. Delivering the same vivid fire and play-of-colour as natural precious opal, at a fraction of the cost. Each stone is calibrated for consistency, eco-friendly by design, and available in a stunning range of colours.
- 100% resin-free — safe to fire in a kiln up to 900°C
- Lab-grown but identical to natural opals 80% Silica 20% H20
- Perfect for metal clay, glassblowing/lamp work and silversmithing projects
- Calibrated for consistency — each stone is the same size
- No cracking, crazing, or colour loss when fired
